free fighting superior power amplifier accuphase P-7500 vs McIntosh MC312

Accuphase P-7500
Power capacity  300 W / 8 ohms,
Configuration transistors :10-parallel push-pull
Total Harmonic Distortion 20Hz-20kHZ 0.03%
Frequency Response : 20-20000Hz
Damping factor : 1.000
Input Impedance : 20 kilohms
Input Sensitivity : 1.95 V
Signal-to-Noise Ratio : 130 dB
Gain : 28 dB
Intermodulation Distortion: 0.01%
Power Requirements:120/220/230VAC, 50/60 Hz .
Power Consumption : 450 Watts
Dims : W465mm /18.3”×H238mm /9.4×
D515mm /20.3”.
Weight: 49.0 kg /108.1 lbs

McIntosh MC312
Power capacity  300 W / 8 ohms,
Configuration transistors :6-parallel push-pull
Total Harmonic Distortion 20Hz-20kHZ 0.005%
Frequency Response : 20-20000Hz
Damping factor :  40
Input Impedance : 22 kilohms
Input Sensitivity : 1.7 V
Signal-to-Noise Ratio : 93 dB
Gain : 28 dB
Intermodulation Distortion: 0.005%
Power Requirements:120/220/230VAC, 50/60 Hz .
Power Consumption : N/A
Dims : W444.5mm 17.5"x H239.7mm 9.4"XD558.8mm  22"
Weight:  47.63 kg / 105 Lbs